﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            var res = Calculator.MultiplyBy3(3);
            if (res < 0)
            {
                throw new Exception();
            }
            else
            {
                int i = 0;
                i++;
            }
        }
    }
}
